Dental articulator.



I?` E. HALL.

DENTAL ARIICUL'ATOR. APPLICAUON FILED JuLYz. 1914.

Finhrntnr Patented J mm 2U, 19143.

R. E. HALL.

DENTAL ARTICULATOR. APPucAHoN man JuLYz. 914.

lutenfrd June 20, 1916.

3 SHEETS-SHEETS.

Nuff v x33 s as :Infanta:

upon a. frame 25 which is adjust-ably secured to the plate 26 which forms one of the leaves of the hinge- The adjustment is accomplished and secured by means of lock 5 nuts 27 or anyr usual well lmown mechanical means. The under jaw model 12 is, of course.v necessarily broughtinto registration with the upper jaw model 11, a similar :1djustment being provided by mounting the lower jaw model upon an adjustable frame 2S with jam nuts 29 for holding it in proper position relatire to the base 19.

It will be apparent that by swinging the upper jaw model 11 relative to the lower 15 jaw model 12 it will move upon the center line of the pintle which has been pointed out is the same as the axis of the bar 10 in F ig. 2. The hinge 24 permits the jew model 11 to be swung up out of engagement as de- 20 sired and an arm 30 is provided rigid with the leaf 26 and ascrew 31. is also provided or adjusting the occlusion of the teeth as may be found necessary.

vThe teeth models 11 and 12 are respec 35 tively held in connection with their frames 25 and 28by means'o' plates 32 and 33 respectively which are grdlysecnred to-said frain and haveintnrned and and a nut 36 is embedded in t e models en- 'vely by screws and 38. Feet 39 are also provided for holding the base against lateral movementl and'to prevent fpping structure. A 40 is provid@ sh at 35 theA tl 20 retains said piuilgilt movement the only increment vadjustment preses-ily The flame' IS 4o a Pr of :dinstabl tiem of the parts'and of the 5a action and that further descriptionof such operation will not be uearyvtoa full and complete understanngof invention. v f1 Y obhqueaxie. 2. A dental articulator, comprising a 1s uponthehnge 24' lower jew model holder, :in upper jaw model holder pivot-ed to said lower jaw model holder on :1n axis disposed in a plane oblique to the plane of occlusion of the jaws, and n hineed joint having its axis disposed 7g forward o? said oblique plane and aliording relative movement of said jaw model holders toward and from each other.

3. A. dental articulator, comprising a lower jaw model holder, an upper jaw model holder pivoted to said lower jaw model holder on an axis disposed in a plane oblique to the plane of occlusion of said jaws,

a hinged joint aiordng relative movement of said jaw model holders toward and from so each other, and means adjustable to vary the longitudinal position of the jaw models.

4. A dental articulator, comprising a lower jaw model holder, an upper jaw model holder pivoted to said lower jaw 8. model holder on an axis in a plane oblique to the plane of occlusion of the jaws,

a hinged joint having its axis disposed transverse to sadoblique axis and forward thereof, means adjustable to vary the longi- 9c tudinal position of the jaw models with respect to the ofsaid hinged joint, and means `zuljustdle3ttitary the distance be tween theof joint and the pivotal the upper and lower jaw modelholde'rs.

f5. A dental artieulator, comprising a lower. jaw v model holder, an upper jaw model Vholder pivoted to said lower jaw modelholder on an axis disposed in a plane 10o totheplane of occlusion of the jaws, j a upper jaw model holder relative-.moment of said jaw model holders toward. und from each other, means adjustable to hold the upper jaw model independent ofthe lower jaw model, to permit `its free movement therefrom, and rueensad'` e to vary the distance beaxis of hinged joint and the oblique., of the ans of the pivotal con- 11e nection een said jaw model holders.

6. A dental comprising a. lower jaw model holder, an upper jaw model holder, a. etal. connection between said jaw its axis of oscllationlma to the plane of occlumon ofu l 3ans alfordmg a relative' lateralmoremeutofsaid jaws in trans Yel'Sely means adjustable fo secure awgdelholdersin any desired relavepositiou in saidarcs, a hinged joint in model. holder having its axis trnsgelsetotheplaneof the pirated' ans, yund m adjustable to vary relation between the axis of said hinged jointand the pivotal axis between said jaw modeljholders. 7.. d'entgxl comprising a base havingaw `whoseexisezrtendsina.V planeoblique'tosaid base, a lower jaw model 13 holder having a frame adjustable with respect to said base, an upper jaw model holder support having a pintle disposed in the bearing in said base, an upper jaw model holder having a frame hjngedly connested with saidvsupport and having means to adjusi'l said frame with rpect to the axis of said hinged connection, and means to adjust sadsupport with respect to its pintle. 8. In a dental articulator, a base; a jaw model holder carried by the base; a pintle journaled to rotate at an angle to the base and in the plane of the medial line of the jaw holders; and an arm connecting the pintle and the movable jaw model holder.

9. In a dental articulator, a base; a. jaw model holder carried by the base; a pintle iournaledinalineatanzmgletothebase in the plane of the medial line of the jaw holder; an arm carried by the pintle; a hinge carried by the arm; and a complementary jaw model holder carried by the hinge.

10. In a dental articulator, the combination with a base, of a lower jaw model carried by said base, an upper jaw model carrier, a pintle di in a plane oblique to the plane of occlusion of the jaw models, and a hinged joint adjustable with respect to said pintle and the central incisive occluding point of the teeth of the jaws.

In testimony whereof I alix my signature in presence of two witnesses.

RUPERT E. HALLr Witnesses:

JOHN L. FLETGHER, L. L. MonnILL.

cqkadtldspteltmbeobtxtledtornveeutaeaehbynddmslngthewmmininerothm Wuhinmnc."

"Corrections in Leners Patent No.' 1,187,523.

holder .wing a frame adjustable with respect to said baise', :in upper jaw model holder support having a pintle disposed in the bem'ingvin Said buse, :in upper jaw model holder having), :i Vtraine hiugedly oonneeted with said support and having;r means to adjust said frame with i'esper't to the axis of said hinged conneftion. :1nd means to ndjust said support with respect to its pintle. 8. In a dental :iltii-lilzitol', :l hase; :Lv jaw model holder carried by the journaled torot:ite it :in :ingle to the base and in the plane of the'mediz'il line of the janv holders; und :1n -arm connecting,r the pintle and the movable jew model holder.

9. In a dental artieulntor, :i buse; a jaw model holder carried by the hase; a journalerl in n line at an angle to the base in the plane of the medial line of the jaw [SEAL] hase; a pintle,v

pintle i Il, is h ereby certified that in Letters Patent No.`1,187,523,

page 2, line 122, Pluim (i, hofore the Word model insert the holder: :in :mu i-nrried by the pintle; a hinge curi-led by the arm; and a complementary jun' model holder carried by the hinge.

'10. In u dental zirticulutor, the combination with a huso, of a lower jaw model earried hy Suid hase. :in upper jaw model oarriei'` n pintle disposed in a plane oblique to the pinne of occlusion of the jaw models, und u hinged joint adjustable with respect to said pintle :ind the central incisive occluding. point of the teeth of the jaws.

In testimony whereof I :iiix my signature in presence of two witnesses.

RUPERT E. HALL.

litnesses JOHN L. FLETCHER, L. L. MomuLL.

granted J imelQC,

1916,/upon the application of Rupert E. Hall, of Houston, Texas, for an improvel ment in Dental'Artieulaitors," errors appear in the printed specification requiring correction as follows: Page 1, line 3), for the Word oeeujmtion"y road esclu/simi;

Word jme; and that the said Letters .Patent should be reed withthese corrections therein that the same may oonform to the record" of the euse in the Patent Office.

Signed and sealed this 15th day of August., A. D., 191

F. W. H. CLAY,

Acting (."mnrri'issirmer oy Patents.

It is hereby oertied that; in Letters Patent No. 1,187,523, granted June 20, 1916,up0n the application uf RupurlV E. Hull, of Houston, Texas, for an impxnvemem*I in Dcntnl rtuulnuuw, m'mrs uppoar in the fn'inted specicuiinn requiring correction as follows: Page l, lino. 53S), fnr the Word m:upmiun" mad ofm'uiou;

page 2, line 122, Pluim 1 n-furu Her word nlmlu inwrt thu wmv jaen; mld hm,

the said Letturs Patent shond be mm1 with these corrections therein that the same may conform t0 the roam-d of the ons@ in the Patent (Hime.

Signed and seared this 15d; day mf August, A. D., 1916 [SEAL] F. w, nA LA 

